Iosco County, Michigan Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 57th-largest in Michigan
The population of Iosco County, Michigan is 25,333 as of the 2023 American Community Survey, making it the 57th-largest county in Michigan. The median household income is $47,777, the median home value is $122,900, and the median age is 53.5.
The population of Iosco County has declined 1.9% since 2010 (25,841 → 25,361), a -0.13% annualized rate.
25,333
Population
-0.13%
Annual growth
46
People / sq mi
$47,777
Median Income
$122,900
Median Home Value
Iosco County covers 549 sq mi of land at 46.1 people per square mile.
About Iosco County, MI
Age is the most distinctive thing about Iosco County: a median age of 53.5, older than the national median. Iosco County is a county in Michigan with a population of 25,333.
Earnings trail the nation, with the median household making $47,777, below the US median of $78,538. The poverty rate is 11.1%, below the national 12.4%. Property is affordable here, the median home worth $122,900, with typical rent around $659.
Fewer adults hold degrees here than in most comparable places — 17.6%, below the national 35.0%. Around 6.5% of workers work from home, below the national 14.0%, and the average commute runs about 21 minutes each way.
The age structure shapes everything downstream in Iosco County — from housing demand to the mix of working-age earners reflected in the income figures above.
Iosco County Population History (2010-2024)
The county of Iosco County had a population of 25,841 in 2010 and 25,361 in 2024, a -1.9% growth over 14 years. The peak was 25,841 in 2010. Average annual growth rate: -0.13%.
25,361
Population (2024)
25,841
Population (2010)
25,841
Peak (2010)
-0.13%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 25,841 |
| 2011 | 25,599 |
| 2012 | 25,455 |
| 2013 | 25,433 |
| 2014 | 25,445 |
| 2015 | 25,360 |
| 2016 | 25,307 |
| 2017 | 25,180 |
| 2018 | 25,195 |
| 2019 | 25,244 |
| 2020 | 25,189 |
| 2021 | 25,362 |
| 2022 | 25,460 |
| 2023 | 25,361 |
| 2024 | 25,361 |
Race & Ethnicity
| White | 92.4% |
| Black or African American | 0.9% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 2.0% |
| Two or More Races | 0.0% |
Age & Sex
53.5
Median Age
50.2%
Female
49.8%
Male
30.5%
Age 65+
Age Distribution
Children (under 15): 14.1% · Seniors (65+): 30.5%
Income & Poverty
| Median household income | $47,777$-23,372 vs state |
| Mean household income | $63,001 |
| Per-capita income | $29,934 |
| Poverty rate | 11.1%+2.3% vs state |
| Unemployment rate | 3.4% |
| Employment-to-population | 43.2% |
Top Industries by Employment
The largest employment sector in Iosco County is professional & business services, accounting for 20.5% of workers.
How residents commute
0.1%
Drive alone
4.1%
Carpool
78.8%
Public transit
6.5%
Work from home
21.2 min
Avg commute
Housing
$122,900$-94,700 vs state
Median home value
$659
Median rent
82.9%
Homeownership rate
19,978
Total housing units
57.3%
Occupied
42.7%
Vacant
17.1%
Renter-occupied
Social & access
94.4%
With health insurance
89.5%
With broadband internet
14.8%
Foreign-born
12.3%
Veterans (18+)
21.6%
With a disability
96.8%
Speak language other than English at home
Education
89.1%
High School+
17.6%
Bachelor's+
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Frequently Asked Questions
Iosco County, Michigan has a population of 25,333 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 57th-largest county in Michigan. Population density is 46 people per square mile.
The population of Iosco County has declined 1.9% since 2010 (25,841 → 25,361), a -0.13% annualized rate.
The median household income in Iosco County, Michigan is $47,777, with mean (average) household income of $63,001 and per-capita income of $29,934. 11.1% of residents live below the federal poverty level.
In Iosco County, the largest racial and ethnic groups are White (92.4%), Hispanic or Latino (2.0%), Black or African American (0.9%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Iosco County, Michigan is 53.5 years. Residents are 50.2% female and 49.8% male.
The median home value in Iosco County is $122,900 and median monthly rent is $659. 82.9% of occupied housing units are owner-occupied. The county has 19,978 total housing units, 42.7% of which are vacant.
The largest employment sector in Iosco County, Michigan is professional, scientific, and management services, employing 20.5% of workers. The unemployment rate is 3.4%.
Detroit is among the largest cities associated with Iosco County, Michigan, with a population of 636,644.
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.